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Passage 1 The Introduction of GC
医药学

        Gaschromatographyisaseparationtechniquewherebyavaporizedsampleiscarriedbyaflowingstreamof(usually)inertgasthroughatubewhichiseitherfilledwithfineparticlesoriswall-coatedwithalow-volatilityliquid.Thetubeistermedthecolumn.Ifthecolumnisfilledwithdryparticles    (共 2199 字)     [阅读本文] >>

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